Standard No.:	GB/T 20761-2006
English Name:	Method for the determination of α-trenbolone，β-trenbolone nortestosterone and epi-nortestosterone residues in bovine urine - LC-MS-MS method
Chinese Name:	牛尿中α-群勃龙、β-群勃龙、19-乙烯去甲睾酮和epi-19-乙烯去甲睾酮残留的测定 液相色谱-串联质谱法
Chinese Classification:	X04    Basic standards and general methods
Professional Classification:	GB    National Standard
Issued by:	AQSIQ; SAC
Issued on:	2007-03-26
Implemented on:	2007-3-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	3000 words
Price(USD):	160.00
Delivery:	via email in 1~3 business day

本标准规定了牛尿中α-群勃龙、β-群勃龙、19-乙烯去甲睾酮和epi-19-乙烯去甲睾酮残留量的液相色谱－串联质谱测定方法。
本标准适用于牛尿中α-群勃龙、β-群勃龙、19-乙烯去甲睾酮和epi-19-乙烯去甲睾酮残留量的测定。
本标准的方法检出限：牛尿中α-群勃龙、β-群勃龙、19-乙烯去甲睾酮和epi-19-乙烯去甲睾酮均为2 μg/L。